Air Filtration

How often should AC filters be cleaned or replaced? Generally, not less than every 3 months

Air filtration systems are one of the least expensive ways to improve air quality. The American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE) suggest that filters should be cleaned or replaced not less than every 3 months.

According to the US Department of Energy’s Federal Energy Management Program, air filters play a critical role in maintaining indoor air quality and protecting the downstream components of the cooling equipment (coils, blower, etc) from accumulating dirt that reduces equipment efficiency.

A dirty filter can become a contamination source if not cleaned or replaced. Dirty filters can also force air to go around and bypass filtration sections and the unfiltered bypass air deposits debris on the cooling/heating coils rather than on the filter. With our air filter cleaning service, you can expect cleaner, more breathable, air.

We recommended routinely changing or replacing filters in regular intervals or upon visual inspection. Intervals can range from 1-6 months (some newer type and style filters indicate usage up to 6 months), depending on the dirt loading from both the indoor and outdoor air. Visually inspecting the leading edge side of your filter can help indicate frequency. In commercial facilities, measuring the pressure drop across the filter is the most reliable way to rate particulate loading on the filter.

Do Leaks in your A/C unit and Ductwork impact indoor air quality? YES!

Leaky ductwork can cause significant indoor air quality problems. Attic, wall cavities, and other sources of dirty air can infiltrate your home and AC system due to leaky ductwork. Additionally, leaky ductwork can condensate during the hottest months of the year.

Pressurized air can easily find its way to leak through the air handler unit cabinet and ductwork. Leaking air reduces the cooling capacity and wastes energy from the loss of the cooled air. According to FEMP—based on a recent study of HVAC systems in Southern California—energy benefits from cabinet integrity and duct sealing are estimated to be about 20% of the annual cooling consumption.

Comfort in buildings with tight HVAC systems is expected to improve because the air filtration system will be able to deliver sufficient cooled air (as designed) to serve the space loads.

First, an easy task is to have a professional check the air handler cabinets and correct air leakage. Some corrective actions can include replacing screws or latches, patching or replacing gaskets, or replacing missing screws on loose access panels.

TIP: Duct tape should not be used to seal duct leaks as it degrades over time.

Our air filter cleaning service uses sealing materials that meet both UL Standard 118/181 and Florida Power and Lights Duct Leakage and Repair Program standards, such as foil tape, mesh tape, and mastic.

Anti-Microbial Coatings and Sanitizers:

A.D.A. only uses and applies treatments which are registered with the EPA for specific use within HVAC systems and ductwork.

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